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| Phone | Ericsson R520 | Coolpad Quattro 4G | BlackBerry 7750 | Sony Ericsson Xperia X10 mini (2010) | ZTE Agent |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
4" diag. 5 : 3 |
? |
2.6" diag. 4 : 3 |
2.4" diag. 4 : 3 |
| Display Resolution & Type | ? |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
240 x 320 pixels (~157 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz | ? |
| Battery | ? | 1,600 mAh | ? | ? | 900 mAh |
| Processor | ? | ? | ? | 600 MHz Qualcomm S1 MSM7227 | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | 512 MB | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 3 megapixel | - | 5 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | VGA (640 x 480) | - | VGA (640 x 480) | ? |
| Front Camera | - | Yes | - | - | - |
| Weight |
4.23 oz (120g) |
3.31 oz (94g) |
5.01 oz (142g) |
3.11 oz (88g) |
3.53 oz (100g) |
| Dimensions |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
4.96" x 2.6" x 0.51" (126 x 66 x 13 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
3.26" x 1.97" x 0.64" (83 x 50 x 16.3 mm) |
4.3" x 1.9" x 0.6" (109 x 48 x 15.2 mm) |
| Form Factor | Slab | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | BlackBerry OS | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1700, 1900 |
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| Data Technology | GPRS | LTE (Cat 3) | 1xRTT | HSPA 7.2 | 1xRTT |
| Features | |||||
| GPS / Location | - | n/a | n/a | n/a | Yes |
| Accessibility | |||||
| Hearing Aid Compatible | - | Yes | - | - | Yes |
| Multiple Languages | Yes | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | - | Yes |
| Alerts | |||||
| Ringer Profiles | Yes | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth |
Yes HSP, Sync, OPP, DUN |
Yes Classic Audio |
- |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | Yes | - | - | - | - |
| Mobile Hotspot | - | n/a | n/a | n/a | - |
| USB | - | Yes | Yes |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - | Yes | - |
Yes 802.11 b,g |
- |
| Contacts | |||||
| Picture ID | - | n/a | n/a | n/a | - |
| Ringer ID | - | n/a | n/a | n/a | Yes |
| Voice Dialing | Yes | n/a | n/a | n/a | - |
| Customization | |||||
| Custom Graphics | - | n/a | n/a | n/a | Yes |
| Custom Ringtones | Yes | n/a | n/a | n/a | Yes |
| Real-Music Ringers | - | n/a | n/a | n/a | Yes |
| Data & Network | |||||
| Data Tethering | Yes | n/a | n/a | n/a | - |
| WAP / Web Browser | Yes | n/a | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Touch Screen | - | Yes | - | Yes | - |
| Memory | |||||
| Memory Card Slot | - | Yes | - | Yes | Yes |
| Messaging | |||||
| Email Client | - | n/a | n/a | n/a | Yes |
| Instant Messaging | - | n/a | n/a | n/a | Yes |
| MMS | - | n/a | n/a | n/a | Yes |
| Text Messaging Templates | Yes | n/a | n/a | n/a | Yes |
| Music | |||||
| FM Radio | - | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | - | Yes | Yes |
| Music Player | - | n/a | n/a | n/a | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | n/a | Yes |
| To-Do List | - | n/a | n/a | n/a | - |
| Voice Memo | Yes | n/a | n/a | n/a | Yes |
| Software | |||||
| BREW | - | n/a | n/a | n/a | Yes |
| Games | Yes | n/a | n/a | n/a | Yes |
| Java (J2ME) | - | n/a | n/a | n/a | - |
| Voice | |||||
| Headset Jack (2.5 mm) | - | n/a | n/a | n/a | - |
| Speaker Phone | Yes | Yes | - | Yes | Yes |
| Ericsson R520 | Coolpad Quattro 4G | BlackBerry 7750 | Sony Ericsson Xperia X10 mini (2010) | ZTE Agent | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R520 | Coolpad Quattro 4G | BlackBerry 7750 | Sony Ericsson Xperia X10 mini (2010) | ZTE Agent |
